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1. – 0,8(-5х + 10) = -15 + (-х + 8)
2. 2,5(4 – 8х) – 4(-1,х – 2) = -10
1. – 0,8(-5х + 10) = -15 + (-х + 8)
2. 2,5(4 – 8х) – 4(-1,х – 2) = -10
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Ответ:
Пошаговое объяснение:
1. – 0,8(-5х + 10) = -15 + (-х + 8)
4х-8=-15-х+8
4х+х=-15+8+8
5х=1
х=1:5
х=0.2